Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Nezuko Cute Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override hijacks every new tab; combined with uninstall+install URL hijacks signals monetization shell.
• Uninstall and install URL hijacks redirect users to gameograf.com with UTM tracking on both events.
• No CSP defined (MV3 extension); DOM-XSS innerHTML sinks in popup.js and calendar.js are unmitigated.
• No developer name listed despite verified publisher status; reduced accountability.

Evidence

• newtab_override manifest chrome_url_overrides.newtab set to newtab.html — captures every new tab session.
• uninstall_url_hijack crx setUninstallURL to https://gameograf.com/?utm_source=extension&utm_medium=install (3rd-party tracking).
• install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=lofi&utm_medium=install (monetization signal).
• no_csp manifest content_security_policy is null; csp_present == false on MV3 extension with innerHTML sinks.
• dom_xss_sinks crx dom_sink_innerhtml_userctrl found in js/popup.js and js/calendar.js with no CSP guard.
• verified_publisher_no_dev_name store developer_name is empty string despite verified_publisher == true; reduced accountability.
• privacy_policy_third_party_sharing api Policy is scoped and complete but admits data collection and third-party sharing.
• search_engine_count_1 api Only google.com seen; no multi-search-engine ad aggregation anomaly detected.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Nezuko Cute Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 3.13 -> 5.63 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Can manipulate search provider behavior; medium risk for a NewTab extension.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; limited blast radius.
• chrome_url_overrides.newtab medium Replaces new-tab page; high-frequency user touchpoint with monetization potential.

Pillar Scores

Bookkeeping